DE69224253D1 - Speech coding device - Google Patents

Speech coding device

Info

Publication number
DE69224253D1
DE69224253D1 DE69224253T DE69224253T DE69224253D1 DE 69224253 D1 DE69224253 D1 DE 69224253D1 DE 69224253 T DE69224253 T DE 69224253T DE 69224253 T DE69224253 T DE 69224253T DE 69224253 D1 DE69224253 D1 DE 69224253D1
Authority
DE
Germany
Prior art keywords
coding device
speech coding
speech
coding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69224253T
Other languages
German (de)
Other versions
DE69224253T2 (en
Inventor
Lalit R Bahl
Jerome R Bellegarda
Edward Adam Epstein
John M Lucassen
David Nahamoo
Michael Alan Picheny
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE69224253D1 publication Critical patent/DE69224253D1/en
Application granted granted Critical
Publication of DE69224253T2 publication Critical patent/DE69224253T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3082—Vector coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE69224253T 1991-10-03 1992-08-31 Speech coding device Expired - Fee Related DE69224253T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/770,495 US5280562A (en) 1991-10-03 1991-10-03 Speech coding apparatus with single-dimension acoustic prototypes for a speech recognizer

Publications (2)

Publication Number Publication Date
DE69224253D1 true DE69224253D1 (en) 1998-03-05
DE69224253T2 DE69224253T2 (en) 1998-08-13

Family

ID=25088751

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69224253T Expired - Fee Related DE69224253T2 (en) 1991-10-03 1992-08-31 Speech coding device

Country Status (5)

Country Link
US (1) US5280562A (en)
EP (1) EP0535380B1 (en)
JP (1) JP2986037B2 (en)
CA (1) CA2072721C (en)
DE (1) DE69224253T2 (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5465317A (en) * 1993-05-18 1995-11-07 International Business Machines Corporation Speech recognition system with improved rejection of words and sounds not in the system vocabulary
US5544277A (en) * 1993-07-28 1996-08-06 International Business Machines Corporation Speech coding apparatus and method for generating acoustic feature vector component values by combining values of the same features for multiple time intervals
US5522011A (en) * 1993-09-27 1996-05-28 International Business Machines Corporation Speech coding apparatus and method using classification rules
DE4417557A1 (en) * 1994-05-19 1995-11-23 Daimler Benz Aerospace Ag Method for recognizing speech signals and arrangement for carrying out the method
US5729656A (en) * 1994-11-30 1998-03-17 International Business Machines Corporation Reduction of search space in speech recognition using phone boundaries and phone ranking
US5680506A (en) * 1994-12-29 1997-10-21 Lucent Technologies Inc. Apparatus and method for speech signal analysis
US5737433A (en) * 1996-01-16 1998-04-07 Gardner; William A. Sound environment control apparatus
US6151575A (en) * 1996-10-28 2000-11-21 Dragon Systems, Inc. Rapid adaptation of speech models
US6023673A (en) * 1997-06-04 2000-02-08 International Business Machines Corporation Hierarchical labeler in a speech recognition system
US6343267B1 (en) * 1998-04-30 2002-01-29 Matsushita Electric Industrial Co., Ltd. Dimensionality reduction for speaker normalization and speaker and environment adaptation using eigenvoice techniques
US6263309B1 (en) 1998-04-30 2001-07-17 Matsushita Electric Industrial Co., Ltd. Maximum likelihood method for finding an adapted speaker model in eigenvoice space
DE50003260D1 (en) 1999-03-08 2003-09-18 Siemens Ag METHOD AND ARRANGEMENT FOR DETERMINING A REPRESENTATIVE LOUD
US20020152775A1 (en) * 1999-04-29 2002-10-24 Sara Lee Corporation Seamless torso controlling garment and method of making same
US6571208B1 (en) 1999-11-29 2003-05-27 Matsushita Electric Industrial Co., Ltd. Context-dependent acoustic models for medium and large vocabulary speech recognition with eigenvoice training
US6526379B1 (en) 1999-11-29 2003-02-25 Matsushita Electric Industrial Co., Ltd. Discriminative clustering methods for automatic speech recognition
US7080011B2 (en) * 2000-08-04 2006-07-18 International Business Machines Corporation Speech label accelerators and techniques for using same
JP4332129B2 (en) * 2005-04-20 2009-09-16 富士通株式会社 Document classification program, document classification method, and document classification apparatus
JP4327886B1 (en) 2008-05-30 2009-09-09 株式会社東芝 SOUND QUALITY CORRECTION DEVICE, SOUND QUALITY CORRECTION METHOD, AND SOUND QUALITY CORRECTION PROGRAM
JP4327888B1 (en) * 2008-05-30 2009-09-09 株式会社東芝 Speech music determination apparatus, speech music determination method, and speech music determination program
JP4439579B1 (en) 2008-12-24 2010-03-24 株式会社東芝 SOUND QUALITY CORRECTION DEVICE, SOUND QUALITY CORRECTION METHOD, AND SOUND QUALITY CORRECTION PROGRAM

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4980918A (en) * 1985-05-09 1990-12-25 International Business Machines Corporation Speech recognition system with efficient storage and rapid assembly of phonological graphs
US4977599A (en) * 1985-05-29 1990-12-11 International Business Machines Corporation Speech recognition employing a set of Markov models that includes Markov models representing transitions to and from silence
US4759068A (en) * 1985-05-29 1988-07-19 International Business Machines Corporation Constructing Markov models of words from multiple utterances
US4926488A (en) * 1987-07-09 1990-05-15 International Business Machines Corporation Normalization of speech by adaptive labelling
JPH0293597A (en) * 1988-09-30 1990-04-04 Nippon I B M Kk Speech recognition device
JP2776848B2 (en) * 1988-12-14 1998-07-16 株式会社日立製作所 Denoising method, neural network learning method used for it
JPH0332228A (en) * 1989-06-29 1991-02-12 Fujitsu Ltd Gain-shape vector quantization system
US5182773A (en) * 1991-03-22 1993-01-26 International Business Machines Corporation Speaker-independent label coding apparatus

Also Published As

Publication number Publication date
EP0535380A2 (en) 1993-04-07
CA2072721C (en) 1996-03-05
JPH05232999A (en) 1993-09-10
US5280562A (en) 1994-01-18
CA2072721A1 (en) 1993-04-04
EP0535380A3 (en) 1993-12-22
EP0535380B1 (en) 1998-01-28
JP2986037B2 (en) 1999-12-06
DE69224253T2 (en) 1998-08-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee